Home / 210,180.26-315,323.19-60,420.82

Finding the Fourth Proportional to 210,180.26, 315,323.19 and 60,420.82

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Solution

The fourth proportional to 210,180.26, 315,323.19 and 60,420.82 is: 90,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,180.26 : 315,323.19 = 60,420.82 : x
  2. Step 2: Convert to fraction form
    210,180.26/315,323.19 = 60,420.82/x
  3. Step 3: Cross multiply
    210,180.26x = 315,323.19 × 60,420.82
  4. Step 4: Simplify right side
    210,180.26x = 19,052,085,507.74
  5. Step 5: Solve for x
    x = 19,052,085,507.74/210,180.26
  6. Step 6: Final answer
    x = 90,646.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.